Q.1
Atomic vectors and Lists have three common properties :
  • Type function, what it is?
  • Length function, how many elements it contains.
  • Attribute function, extra arbitrary metadata.
  • None of Above
  • All of the above
Q.2
R is an interpreted language so it can access through_____________?
  • Disk operating system
  • Command line interpreter
  • Operating system
  • User interface operating system
Q.3
Which of the following approach should be used to ask Data Analysis question?
  • Find only one solution for particular problem
  • Find out the question which is to be answered
  • Find out answer from dataset without asking question
  • None of the mentioned
Q.4
Vectors come in two parts_____ and _____.
  • Atomic vectors and matrix
  • Atomic vectors and array
  • Atomic vectors and list
Q.5
R is an__________programming language?
  • Closed source
  • GPL
  • Open source
  • Definite source
Q.6
Which of the following is characteristic of Processed Data?
  • All steps should be noted
  • Hard to use for data analysis
  • Data is not ready for analysis
  • None of the above
Q.7
Which of the following is NOT a machine learning algorithm?
  • SVM
  • SVG
  • Random Forest
  • None of the mentioned
Q.8
Which of the following step is performed by data scientist AFTER acquiring the data?
  • Data Cleansing
  • Data Integration
  • Data Replication
  • All of the mentioned
Q.9
Data has been collected on visitors' viewing habits at a bank's website. Which technique is used to identify pages commonly viewed during the same visit to the website?
  • Clustering
  • Association Rules
  • Classification
  • Regression
Q.10
Which is not a tool for Statistical Data Analysis?
  • ANOVA
  • Logistic Regression
  • Linear & Non-linear Regression
  • Histogram
Q.11
Which of the following is the most important language for Data Science?
  • Java
  • Ruby
  • R
  • None of the mentioned
Q.12
Which one is NOT from Phase 1 of Data Science Life Cycle
  • Identifying key variables
  • Learning the target domain
  • Developing initial hypothesis
  • Visualize initial hypothesis
Q.13
Which of the following is performed by Data Scientist
  • Define the question
  • Create reproducible code
  • Challenge results
  • All of the above
Q.14
A collection of information about a related topic is referred to as a ________
  • Conclusion
  • Visualisation
  • Analysis
  • Data
Q.15
Choose the correct keyword for this definition:A graphical representation of a data set
  • Visualisation
  • Data Set
  • Investigative Cycle
Q.16
The following set of data is categorical or numerical data? red, red, blue, green, red, green, red, red, blue, blue
  • categorical
  • numerical
Q.17
What is the mean of test scores?{100}
  • 87
  • 85, 95, and 100
  • 30
  • 85 and 90
Q.18
To find the _________ you add up all the numbers and then divide by how many numbers you have.
  • Mean
  • Median
  • Mode
  • Range
Q.19
To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.
  • Mean
  • Median
  • Mode
  • Range
Q.20
Plan is the first stage in the Investigative Cycle
  • True
  • False
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